at large
at intervals
at ease
at random
第1题:
What he said just now had little to do with the question ________ discussion.
A) on B) in C) under D) at
B
他刚才所说的和正在讨论的问题几乎毫无关联...选B in 因为就相at a meeting 一样塌实一个固定搭配...表示正在讨论....而ON若与他搭配只能翻译作关于 ...很显然是不恰当的...所以选B ...不要太钻牛角尖...
第2题:
第3题:
A.mood
B.humor
C.mode
D.voice
第4题:
Second Officer, give one ()(长声).
第5题:
The discussion has been()until Monday.
A put up with
B put off
C put out
D put of
第6题:
If you do NOT understand the course or intention of an approaching vessel you should sound ___________.
A.one short blast
B.one prolonged blast
C.not less than five short blasts
D.not less than five prolonged blasts
第7题:
第8题:
A small percentage of the grain ______ ruined by the prolonged rain.
A. was
B. were
C. is
D. are
第9题:
迟发延续反应(delayed prolonged response)
第10题:
proper fuel injection
water in the fuel
incomplete combustion
burning of lube oil